Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 5.82
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -4.77 -0.375 1.79
Prot (kg) -5.17 -0.441 2.28
Fertility Sub Index 3.98
Calving Interval (days) -2.06 -1.459 3.01
Survival (%) 0.87 1.117 0.97
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.93
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 19.58

* Based on an €80/tonne carbon price